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@ARTICLE{Hogewoning:9587,
      author       = {Hogewoning, S.W. and Trouwborst, G. and Maljaars, H. and
                      Poorter, H. and van Ieperen, W. and Harbinson, J.},
      title        = {{B}lue light dose-responses of leaf photosynthesis,
                      morphology, and chemical composition of {C}ucumis sativus
                      grown under different combinations of red and blue light},
      journal      = {The journal of experimental botany},
      volume       = {61},
      issn         = {0022-0957},
      address      = {Oxford},
      publisher    = {Univ. Press},
      reportid     = {PreJuSER-9587},
      pages        = {3107 - 3117},
      year         = {2010},
      note         = {This research is supported by the Dutch Technology
                      Foundation STW, Applied Science Division of the NWO, and the
                      Technology Program of the Ministry of Economic Affairs,
                      Philips, and Plant Dynamics BV. We are grateful to Joost
                      Ruijsch, Evert Janssen, and Gradus Leenders (equipment
                      development), Annie van Gelder and Joke Oosterkamp (stomata
                      analysis), Arjen van de Peppel (biochemical analysis), and
                      Hennie Halm C/N measurements).},
      comment      = {Journal of Experimental Botany, Vol. 61, No. 11, pp.
                      3107–3117, 2010},
      booktitle     = {Journal of Experimental Botany, Vol.
                       61, No. 11, pp. 3107–3117, 2010},
      abstract     = {The blue part of the light spectrum has been associated
                      with leaf characteristics which also develop under high
                      irradiances. In this study blue light dose-response curves
                      were made for the photosynthetic properties and related
                      developmental characteristics of cucumber leaves that were
                      grown at an equal irradiance under seven different
                      combinations of red and blue light provided by
                      light-emitting diodes. Only the leaves developed under red
                      light alone $(0\%$ blue) displayed dysfunctional
                      photosynthetic operation, characterized by a suboptimal and
                      heterogeneously distributed dark-adapted F(v)/F(m), a
                      stomatal conductance unresponsive to irradiance, and a
                      relatively low light-limited quantum yield for CO(2)
                      fixation. Only $7\%$ blue light was sufficient to prevent
                      any overt dysfunctional photosynthesis, which can be
                      considered a qualitatively blue light effect. The
                      photosynthetic capacity (A(max)) was twice as high for
                      leaves grown at $7\%$ blue compared with $0\%$ blue, and
                      continued to increase with increasing blue percentage during
                      growth measured up to $50\%$ blue. At $100\%$ blue, A(max)
                      was lower but photosynthetic functioning was normal. The
                      increase in A(max) with blue percentage $(0-50\%)$ was
                      associated with an increase in leaf mass per unit leaf area
                      (LMA), nitrogen (N) content per area, chlorophyll (Chl)
                      content per area, and stomatal conductance. Above $15\%$
                      blue, the parameters A(max), LMA, Chl content,
                      photosynthetic N use efficiency, and the Chl:N ratio had a
                      comparable relationship as reported for leaf responses to
                      irradiance intensity. It is concluded that blue light during
                      growth is qualitatively required for normal photosynthetic
                      functioning and quantitatively mediates leaf responses
                      resembling those to irradiance intensity.},
      keywords     = {Chlorophyll: analysis / Chlorophyll: metabolism / Cucumis
                      sativus: chemistry / Cucumis sativus: growth $\&$
                      development / Cucumis sativus: metabolism / Cucumis sativus:
                      radiation effects / Light / Nitrogen: analysis / Nitrogen:
                      metabolism / Photosynthesis: radiation effects / Plant
                      Leaves: chemistry / Plant Leaves: growth $\&$ development /
                      Plant Leaves: metabolism / Plant Leaves: radiation effects /
                      Chlorophyll (NLM Chemicals) / Nitrogen (NLM Chemicals) / J
                      (WoSType) / Blue light / chlorophyll fluorescence imaging /
                      cucumber (Cucumis sativus) / dose–response curves / leaf
                      mass per unit leaf area (LMA) / light-emitting diodes (LEDs)
                      / photoinhibition / photosynthetic capacity / red light /
                      starch accumulation},
      cin          = {ICG-3},
      ddc          = {580},
      cid          = {I:(DE-Juel1)ICG-3-20090406},
      pnm          = {Terrestrische Umwelt},
      pid          = {G:(DE-Juel1)FUEK407},
      shelfmark    = {Plant Sciences},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:20504875},
      pmc          = {pmc:PMC2892149},
      UT           = {WOS:000279188100021},
      doi          = {10.1093/jxb/erq132},
      url          = {https://juser.fz-juelich.de/record/9587},
}